<!-- <!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Vue 3 App</title>
  <style>
    #app { 
        background-color: #e9b8b8;
    }
  </style>
</head>
<body>
  <div id="app">11111111</div>
</body>
</html> -->